* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Consolas', 'Courier New', monospace;
    background-color: #1a1a2e;
    color: #aaaaaa;
    overflow: hidden;
}

#app {
    height: 100%;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #55ff55;
}

/* Main app container - two column layout */
.app-container {
    display: flex;
    height: 100%;
    gap: 2px;
    background-color: #333366;
}

/* Left panel - Main Console */
.console-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #000000;
    min-width: 640px;
}

.console-header {
    background-color: #0000aa;
    color: #ffffff;
    padding: 6px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    font-weight: bold;
    border-bottom: 2px solid #5555ff;
}

.console-title {
    color: #ffff55;
}

.console-status {
    color: #55ff55;
    font-size: 12px;
    font-weight: normal;
}

/* Console display area - canvas only */
.console-display {
    flex: 1;
    background-color: #000000;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    overflow: hidden;
    outline: none;
    padding: 4px;
    min-height: 0; /* Important for flex to shrink properly */
}

.console-display:focus {
    outline: 1px solid #5555ff;
}

/* Graphics canvas - unified text and graphics, no stretching */
.graphics-canvas {
    display: block;
    background-color: #000000;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

/* Command input line */
.command-line {
    display: flex;
    align-items: center;
    background-color: #000000;
    padding: 4px 8px;
    border-top: 1px solid #333366;
}

.prompt {
    color: #55ff55;
    font-size: 14px;
    margin-right: 4px;
    font-weight: bold;
}

.command-input {
    flex: 1;
    background-color: #000000;
    color: #55ff55;
    border: none;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 14px;
    outline: none;
    caret-color: #55ff55;
}

.command-input::placeholder {
    color: #336633;
}

/* Console toolbar */
.console-toolbar {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    background-color: #333366;
    border-top: 1px solid #5555ff;
}

/* Right side panel */
.side-panel {
    width: 320px;
    min-width: 280px;
    max-width: 400px;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #1a1a2e;
    border-left: 2px solid #5555ff;
    overflow: hidden;
}

/* Section headers */
.section-header {
    background-color: #333366;
    color: #aaaaff;
    padding: 6px 10px;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #5555ff;
}

.line-count {
    color: #666688;
    font-size: 11px;
}

/* Virtual disk section */
.disk-section {
    display: flex;
    flex-direction: column;
    height: 70%;
    overflow: hidden;
}

.file-list {
    flex: 1;
    overflow-y: auto;
    background-color: #0a0a1a;
    padding: 4px;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 2px;
    font-size: 13px;
}

.file-item:hover {
    background-color: #333366;
}

.file-item.selected {
    background-color: #0000aa;
    color: #ffffff;
}

.file-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
    background-color: #0000aa;
    color: #ffff55;
    font-size: 10px;
    font-weight: bold;
    border-radius: 2px;
}

.file-name {
    flex: 1;
    color: #55ff55;
}

.file-size {
    color: #666688;
    font-size: 11px;
}

.disk-toolbar {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    background-color: #1a1a2e;
    border-top: 1px solid #333366;
}

/* Upload section */
.upload-section {
    border-top: 1px solid #333366;
    padding-bottom: 8px;
    height: 10%;
}

.upload-controls {
    padding: 8px 10px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.file-input {
    display: none;
}

.btn-upload {
    display: inline-block;
    cursor: pointer;
}

/* Editor section */
.editor-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-top: 1px solid #5555ff;
    min-height: 200px;
}

.editor-textarea {
    flex: 1;
    background-color: #0a0a1a;
    color: #55ff55;
    border: none;
    padding: 8px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    resize: none;
    outline: none;
    line-height: 1.4;
}

.editor-textarea:focus {
    outline: none;
    background-color: #0d0d20;
}

.editor-textarea::placeholder {
    color: #336633;
}

/* Buttons */
.btn {
    background-color: #0000aa;
    color: #ffffff;
    border: 1px solid #5555ff;
    padding: 4px 12px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 12px;
    cursor: pointer;
    transition: background-color 0.15s;
    white-space: nowrap;
}

.btn:hover:not(:disabled) {
    background-color: #0000dd;
}

.btn:active:not(:disabled) {
    background-color: #000077;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-small {
    padding: 3px 10px;
    font-size: 11px;
}

.btn-run {
    background-color: #00aa00;
    border-color: #55ff55;
}

.btn-run:hover:not(:disabled) {
    background-color: #00cc00;
}

.btn-stop {
    background-color: #aa0000;
    border-color: #ff5555;
}

.btn-stop:hover:not(:disabled) {
    background-color: #cc0000;
}

/* Cursor animation */
.cursor {
    animation: blink 1s step-end infinite;
    color: #55ff55;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Help section */
.help-section {
    border-top: 1px solid #333366;
    height: 20%;
    overflow-y: auto;
}

.help-content {
    padding: 6px 10px;
    font-size: 10px;
    color: #888888;
    line-height: 1.4;
}

.file-count {
    color: #666688;
    font-size: 11px;
}

/* Console colors for text output */
.color-0 { color: #000000; }
.color-1 { color: #0000aa; }
.color-2 { color: #00aa00; }
.color-3 { color: #00aaaa; }
.color-4 { color: #aa0000; }
.color-5 { color: #aa00aa; }
.color-6 { color: #aa5500; }
.color-7 { color: #aaaaaa; }
.color-8 { color: #555555; }
.color-9 { color: #5555ff; }
.color-10 { color: #55ff55; }
.color-11 { color: #55ffff; }
.color-12 { color: #ff5555; }
.color-13 { color: #ff55ff; }
.color-14 { color: #ffff55; }
.color-15 { color: #ffffff; }

/* Error UI */
#blazor-error-ui {
    background: #aa0000;
    color: white;
    padding: 10px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: none;
    z-index: 1000;
}

#blazor-error-ui .reload {
    color: #55ff55;
    margin-left: 10px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #1a1a2e;
}

::-webkit-scrollbar-thumb {
    background: #333366;
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5555ff;
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .app-container {
        flex-direction: column;
    }

    .console-panel {
        min-width: 100%;
        min-height: 400px;
    }

    .side-panel {
        width: 100%;
        max-width: 100%;
        min-height: 300px;
    }
}